<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>

    <title>Title</title>
</head>
<body>

<form action="demo2.php" method="post">
    <input type="text" name="user">
    <input type="text" name="pass">
    <input type="submit" value="马上注册">



</form>


</body>
</html>